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Fibre Channel (SAN)

Occasional Contributor
Posts: 7
Registered: ‎02-27-2015

San switch change

hi to all


in our environment  we have 3 san switches ,connected to each other serially  .The one in the middle switch which connects the other  2 san switch will be retired soon and has to be changed by a new san switch.


But the san switch which will be replaced has the lowest domain ıd :1 in our environmet 

so what is the best way to make that san switch replacement  ?



Occasional Contributor
Posts: 7
Registered: ‎02-27-2015

Re: San switch change

Nobody answered my previous email ,


any idea will be great , what i am thinking is  as follows

1-Extend the fabric by adding the new switch to the system with higher Domain ID

2-Then unplug one the  Fc cables from the middle switch ,and plug in to the newly added switch ,and the reconfigure for the switch

according to the zoning requirements.


does it sounds good? or any other ideas??





Regular Contributor
Posts: 166
Registered: ‎02-05-2014

Re: San switch change

If you have a setup like:


1 <-> 2 <-> 3


Than just add 4 and connect this to 1 and 3. After that move any initiator/target from 2 to 4 and remove 2.


If you have your zoning set-up with WWN's and not <domain>/<port> the zoning doesn't matter and the routes will follow to the new switch. If you have set up zoning with <domain>/<port> you first need to add the new domain and ports to the zoning configuration, enable it and then move the cables to the new switch and respective ports. Afterwards remove the old zoning references to domain 2, activate the adjusted zone configuration and remove switch 2.





Erwin van Londen

Kind regards,
Erwin van Londen
Brocade Distinguished Architect The Fibre Channel blog

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